pre-compile Handlebars Templates

- Updated Ember.js to RC2, Ember-Data.js to revision 12 and jQuery to
1.9.1
- Added *.hbs tempaltes under ~/scripts/app/templates
- Added [Handlebars
compiler](https://github.com/Myslik/csharp-ember-handlebars)
- Enabled Optimizations in Global.asax.cs
- Refactored all bundles
- Packages.config was missing ember, ember-data & handlebars
- (Unfortunately) Had to upgrade Microsoft.AspNet.Web.Optimization to
1.1.0b (reflected in packages.config)